where do snakes poop from?

there was a picture of a snake eating a kangaroo, my friend mentioned a future killer poop, we were wondering where exactly it comes out of - like, halfway down their body, or the end of their tail-y body type thing, or if there's some other weird crazy place that snakes poop from. (this is what happens when teenagers get drunk these days)

Snakes excrete their waste, both urine and feces mixed together, through one opening, the colaca, located on the underside of the snake, about 2/3rds of the distance from the head to the tail. They also mate and the female lays her eggs through this opening... 'though not all snakes lay eggs...